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FAN5307SX PDF预览

FAN5307SX

更新时间: 2024-02-08 16:03:09
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
12页 633K
描述
High-Efficiency Step-Down DC-DC Converter

FAN5307SX 技术参数

生命周期:Obsolete零件包装代码:SOT-23
包装说明:LSSOP,针数:5
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.62
其他特性:CAN ALSO FUNCTION IN PFM MODE模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:5.5 V最小输入电压:2.5 V
标称输入电压:3.6 VJESD-30 代码:R-PDSO-G5
JESD-609代码:e3长度:2.9 mm
功能数量:1端子数量:5
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:0.7 A封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH认证状态:Not Qualified
座面最大高度:1.45 mm表面贴装:YES
切换器配置:BUCK最大切换频率:1200 kHz
温度等级:INDUSTRIAL端子面层:MATTE TIN
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL宽度:1.65 mm
Base Number Matches:1

FAN5307SX 数据手册

 浏览型号FAN5307SX的Datasheet PDF文件第2页浏览型号FAN5307SX的Datasheet PDF文件第3页浏览型号FAN5307SX的Datasheet PDF文件第4页浏览型号FAN5307SX的Datasheet PDF文件第5页浏览型号FAN5307SX的Datasheet PDF文件第6页浏览型号FAN5307SX的Datasheet PDF文件第7页 
www.fairchildsemi.com  
FAN5307  
High-Efficiency Step-Down DC-DC Converter  
Features  
Description  
• 95% Efficiency, Synchronous Operation  
• Adjustable Output Voltage Option from 0.7V to VIN  
• 2.5V to 5.5V Input Voltage Range  
• Customized Fixed Output Voltage Options  
• Up to 300mA Output Current  
• Fixed Frequency 1MHz PWM Operation  
• High Efficiency Power Save Mode  
• 100% Duty Cycle Low Dropout Operation  
• Soft Start  
The FAN5307, a high efficiency low noise synchronous  
PWM current mode and Pulse Skip (Power Save) mode  
DC-DC converter is designed for battery-powered applica-  
tions. It provides up to 300mA of output current over a wide  
input range from 2.5V to 5.5V. The output voltage can be  
either internally fixed or externally adjustable over a wide  
range of 0.7V to 5.5V by an external voltage divider. Custom  
output voltages are also available.  
• Dynamic Output Voltage Positioning  
• 15µA Quiescent Current  
• Excellent Load Transient Response  
• 5-Lead SOT-23 Package  
At moderate and light loads pulse skipping modulation is  
used. Dynamic voltage positioning is applied, and the output  
voltage is shifted 0.8% above nominal value for increased  
headroom during load transients. At higher loads the system  
automatically switches to current mode PWM control,  
operating at 1 MHz. A current mode control loop with fast  
transient response ensures excellent line and load regulation.  
In Power Save mode, the quiescent current is reduced to  
15µA in order to achieve high efficiency and to ensure long  
battery life. In shut-down mode, the supply current drops  
below 1µA. The device is available in 5-lead SOT-23 and  
6-lead MLP 3x3mm packages.  
• 6-Lead MLP 3x3mm Package  
Applications  
• Pocket PCs, PDAs  
• Cell Phones  
• Battery-Powered Portable Devices  
• Digital Cameras  
• Low Power DSP Supplies  
Typical Application  
EFFICIENCY vs. LOAD CURRENT  
V
OUT = 1.8V  
100  
95  
90  
85  
80  
75  
70  
65  
V
=2.5V  
IN  
V
=3.6V  
IN  
V
=5.5V  
IN  
0.01  
0.1  
1
10  
100  
1000  
Load Current [mA]  
REV. 1.0.2 6/22/04  

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